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Vulnerability record · CVE-2026-31898 · published 18 March 2026

CVE-2026-31898: Parall jspdf code injection vulnerability

Parall · Jspdf

jsPDF is a library to generate PDFs in JavaScript. Prior to version 4.2.1, user control of arguments of the `createAnnotation` method allows users to inject arbitrary PDF objects, such as JavaScript actions. If given the possibility to pass unsanitized input to the following method, a user can inject arbitrary PDF objects, such as JavaScript actions, which might trigger when the PDF is opened or interacted with the `createAnnotation`: `color` parameter. The vulnerability has been fixed in [email protected]. As a workaround, sanitize user input before passing it to the vulnerable API members.

6.5 CVSS 3.1 Medium EPSS 0.62% · top 52.4% CWE-116 · CWE-116CWE-94 · Code injection
6.5CVSS 3.1 base score
0.62%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
9References
18 Aug 2026Last modified by NVD

Description

jsPDF is a library to generate PDFs in JavaScript. Prior to version 4.2.1, user control of arguments of the `createAnnotation` method allows users to inject arbitrary PDF objects, such as JavaScript actions. If given the possibility to pass unsanitized input to the following method, a user can inject arbitrary PDF objects, such as JavaScript actions, which might trigger when the PDF is opened or interacted with the `createAnnotation`: `color` parameter. The vulnerability has been fixed in [email protected]. As a workaround, sanitize user input before passing it to the vulnerable API members.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/parallax/jsPDF/blob/b1607a9391d4cd65ea7ade25998aea8345ae1be3/src/modules/annotations.js#L193-L208 Patch
https://github.com/parallax/jsPDF/commit/4155c4819d5eca284168e51e0e1e81126b4f14b8 Patch
https://github.com/parallax/jsPDF/releases/tag/v4.2.1 Release Notes
https://github.com/parallax/jsPDF/security/advisories/GHSA-7x6v-j9x4-qf24 MitigationVendor Advisory
https://access.redhat.com/errata/RHSA-2026:7110
https://access.redhat.com/errata/RHSA-2026:7128
https://access.redhat.com/security/cve/CVE-2026-31898
https://bugzilla.redhat.com/show_bug.cgi?id=2448547
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-31898.json

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Source: NIST National Vulnerability Database (record CVE-2026-31898), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.